Percona Server for MongoDB 3.4 Documentation

Percona Server for MongoDB is a free, enhanced, fully compatible, open source, drop-in replacement
for MongoDB 3.4 Community Edition with enterprise-grade features.
It requires no changes to MongoDB applications or code.

Hint

To see which version of Percona Server for MongoDB you are using check the value of
the psmdbVersion key in the output of the buildInfo
database command. If this key does not exist Percona Server for MongoDB is not
installed on the server.